42438679002 has 32 divisors (see below), whose sum is σ = 94446336960. Its totient is φ = 14125502160.

The previous prime is 42438678979. The next prime is 42438679007. The reversal of 42438679002 is 20097683424.

It is not an unprimeable number, because it can be changed into a prime (42438679007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538449 + ... + 612212.

It is an arithmetic number, because the mean of its divisors is an integer number (2951448030).

Almost surely, 2^42438679002 is an apocalyptic number.

42438679002 is an abundant number, since it is smaller than the sum of its proper divisors (52007657958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42438679002 is a wasteful number, since it uses less digits than its factorization.

42438679002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151355 (or 1151349 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 42438679002 in words is "forty-two billion, four hundred thirty-eight million, six hundred seventy-nine thousand, two".